1722464 has 24 divisors (see below), whose sum is σ = 3570840. Its totient is φ = 815616.

The previous prime is 1722463. The next prime is 1722481. The reversal of 1722464 is 4642271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809 + ... + 2024.

It is an arithmetic number, because the mean of its divisors is an integer number (148785).

2^1722464 is an apocalyptic number.

It is an amenable number.

1722464 is an abundant number, since it is smaller than the sum of its proper divisors (1848376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1722464 is a wasteful number, since it uses less digits than its factorization.

1722464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2854 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 1722464 is about 1312.4267598613. The cubic root of 1722464 is about 119.8717147582.

The spelling of 1722464 in words is "one million, seven hundred twenty-two thousand, four hundred sixty-four".